Meta 发布 816B 开源模型 Muse Spark Open
Meta 发布 Muse Spark Open,一个 816B 参数、42B 激活参数的开源权重模型,采用 100 万 token 上下文窗口,可通过 Baseten、Fireworks AI、Groq、OpenRouter 等 API 调用,权重可从 Hugging Face、Amazon SageMaker AI、Google Cloud Model Garden 等下载。Meta 称其面向编码与智能体任务,在 JobBench、MCP-Atlas 等智能体与工具调用基准上领先 Kimi K3、GLM 5.3 和 Qwen3.8,但在 Terminal-Bench 2.1 和 DeepSWE 1.1 等编码基准上落后。模型采用 Muse Model License,年营收超过 2000 万美元的公司需先通知 Meta 并签署单独协议才能提供模型服务,且使用方须在产品界面显著标注 Built with Muse Spark Open。
Modal, Nebius, OpenRouter, and Together AI. And since it’s an open model, you can also download the weights from Amazon SageMaker AI, Google Cloud Model Garden, Hugging Face, and Microsoft’s Foundry Model Catalog. Open Weights, semi-open license Overall, Muse Spark Open, which features the industry-standard 1 million token window, looks to be an extremely capable model that, depending on the benchmark, is on par with or beats some of the best Chinese models. Like with some of the newer Chinese
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